:root{
  --bg:#f4f7f9; --surface:#ffffff; --ink:#1b2b36; --muted:#556673; --faint:#8395a1;
  --line:#e3e9ee; --brand:#205374; --brand2:#00afbc;
  --shadow-lg:0 16px 44px rgba(32,83,116,.15);
  --font-body:"Montserrat",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
/* scoped reset — only affects the injected chrome, never the article */
.site-header,.site-header *,.site-footer,.site-footer *,.back-top,.back-top *{box-sizing:border-box}
.site-header,.site-footer,.back-top{font-family:var(--font-body);line-height:1.5}
.site-header a,.site-footer a{text-decoration:none;color:inherit}
.site-header img,.site-footer img{display:block;max-width:100%}
.site-header .wrap,.site-footer .wrap{max-width:1200px;margin:0 auto;padding:0 24px}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
  backdrop-filter:saturate(180%) blur(14px);border-bottom:1px solid var(--line)}
.site-header .wrap{display:flex;align-items:center;gap:20px;height:84px}
.brand{display:flex;align-items:center;gap:15px}
.brand img{height:40px;width:auto}
.brand .sep{width:1px;height:28px;background:var(--line)}
.brand .name{font-size:16px;color:var(--brand);font-weight:700;letter-spacing:.01em}
.site-header .nav-wrap{display:flex;align-items:center;margin-left:auto}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:9px 15px;border-radius:8px;font-size:14.5px;font-weight:600;color:var(--muted);transition:.15s}
.nav a:hover{background:color-mix(in srgb,var(--brand) 8%,transparent);color:var(--brand)}
.nav a.active{background:var(--brand);color:#fff}
.site-header .nav-toggle{display:none;margin-left:auto;width:44px;height:44px;border:0;background:transparent;color:var(--brand);
  border-radius:8px;cursor:pointer;place-items:center}
.site-header .nav-toggle:hover{background:color-mix(in srgb,var(--brand) 8%,transparent)}
.site-header .nav-toggle svg{width:26px;height:26px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.site-header .nav-toggle .ic-close{display:none}
.site-header .cta{display:inline-flex;align-items:center;gap:7px;margin-left:16px;padding:9px 17px;border-radius:999px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-size:14px;font-weight:700;white-space:nowrap;
  box-shadow:0 4px 12px rgba(0,175,188,.28);transition:transform .15s,box-shadow .15s,filter .15s}
.site-header .cta:hover{filter:brightness(1.07);transform:translateY(-1px);box-shadow:0 7px 18px rgba(0,175,188,.36)}
.site-header .cta svg{width:15px;height:15px;fill:none;stroke:currentColor;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round}
@media (max-width:880px){
  .site-header .nav-toggle{display:grid}
  .site-header.nav-open .nav-toggle .ic-menu{display:none}
  .site-header.nav-open .nav-toggle .ic-close{display:block}
  .site-header .nav-wrap{position:absolute;top:100%;left:0;right:0;margin:0;flex-direction:column;align-items:stretch;gap:6px;
    background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-lg);padding:14px 20px 18px;display:none}
  .site-header.nav-open .nav-wrap{display:flex}
  .site-header .nav{flex-direction:column;gap:3px;width:100%}
  .site-header .nav a{padding:12px 14px;font-size:15px}
  .site-header .cta{margin:8px 0 0;justify-content:center;padding:13px 18px;font-size:15px}
}

/* footer */
.site-footer{border-top:1px solid var(--line);margin-top:48px;background:var(--surface)}
.footer-main{padding:46px 0 40px}
.footer-main .wrap{display:grid;grid-template-columns:1fr 1.35fr;gap:44px;align-items:start}
.footer-brand .logos{display:flex;align-items:center;gap:22px;margin-bottom:16px}
.footer-brand .logos .ngi{height:60px;width:auto}
.footer-brand .logos .eu{height:56px;width:auto;border-radius:3px}
.footer-brand p{margin:0;color:var(--muted);font-size:14.5px;max-width:340px}
.footer-legal .disclaimer{margin:0 0 20px;color:var(--muted);font-size:13px;line-height:1.65}
.footer-legal .row{display:flex;align-items:center;gap:22px;flex-wrap:wrap;margin-bottom:16px}
.footer-legal .row .eco{height:36px}
.footer-legal .designed{display:inline-flex;align-items:center;gap:9px;font-size:13.5px;color:var(--muted)}
.footer-legal .designed img{height:26px}
.footer-legal .license{display:flex;align-items:center;gap:7px;font-size:13.5px;color:var(--muted)}
.footer-legal .license img{height:22px;width:22px}
.footer-legal .license a{color:var(--brand2);font-weight:700}
.footer-bar{background:var(--brand);color:#fff}
.footer-bar .wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;padding-top:16px;padding-bottom:16px}
.footer-bar .subscribe{display:inline-flex;align-items:center;gap:9px;background:transparent;border:1.5px solid rgba(255,255,255,.55);
  color:#fff;padding:10px 20px;border-radius:999px;font-weight:700;font-size:13.5px;transition:.15s}
.footer-bar .subscribe svg{width:17px;height:17px}
.footer-bar .subscribe:hover{background:#fff;color:var(--brand);border-color:#fff}
.footer-bar .social{display:flex;gap:11px}
.footer-bar .social a{width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.13);display:grid;place-items:center;transition:.15s}
.footer-bar .social a:hover{background:rgba(255,255,255,.26)}
.footer-bar .social svg{width:17px;height:17px;fill:#fff}
@media(max-width:760px){.footer-main .wrap{grid-template-columns:1fr;gap:30px}.footer-bar .wrap{justify-content:center;text-align:center}}

/* back-to-top */
.back-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border:0;border-radius:50%;background:var(--brand);
  color:#fff;display:none;place-items:center;box-shadow:var(--shadow-lg);cursor:pointer;z-index:60;transition:background .15s,transform .15s}
.back-top:hover{background:var(--brand2);transform:translateY(-2px)}
.back-top.show{display:grid}
.back-top svg{width:20px;height:20px;stroke:#fff;fill:none;stroke-width:2.4}